Home / 2,178,241.44-3,005,532-1,272,648.48

Finding the Fourth Proportional to 2,178,241.44, 3,005,532 and 1,272,648.48

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Solution

The fourth proportional to 2,178,241.44, 3,005,532 and 1,272,648.48 is: 1,755,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,241.44 : 3,005,532 = 1,272,648.48 : x
  2. Step 2: Convert to fraction form
    2,178,241.44/3,005,532 = 1,272,648.48/x
  3. Step 3: Cross multiply
    2,178,241.44x = 3,005,532 × 1,272,648.48
  4. Step 4: Simplify right side
    2,178,241.44x = 3,824,985,731,391.36
  5. Step 5: Solve for x
    x = 3,824,985,731,391.36/2,178,241.44
  6. Step 6: Final answer
    x = 1,755,997.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.